Effect of blade tip geometry on centrifugal compressor performance and stability حسب Shahina, Ibrahim

"…The reliability operation for small fuel cells and hybrid fuel cell with gas turbine requires centrifugal compressor surge prevention. This study concerns a high speed centrifugal compressor stage with different blade tip geometries. …"
احصل على النص الكامل
احصل على النص الكامل

Experimental investigations on spray flames and emissions analysis of diesel and diesel/biodiesel blends for combustion in oxy-fuel burner حسب ElKelawy M.

"…Present research work shows the emissions and flame analysis of oxy-fuel combustion of diesel and diesel/biodiesel blends in the experimental test burner manufactured in Mechanical power engineering laboratory at Tanta University, Egypt. Diesel and a mixture of diesel and biodiesel (B0, B10, B20, B30, and B40) used as a fuel with the effect of pure air and oxy-combustion. …"
احصل على النص الكامل
احصل على النص الكامل

Smart City and Preservation of Identity in Doha حسب Altiok, Huzeyfe

"…The theory of smart cities provides the administrative power of a country with a well-established, sustainable, and smart development. …"
احصل على النص الكامل
احصل على النص الكامل

Frugal innovation for sustainable rural development حسب Mokter, Hossain

"…We developed a classification that identifies the increasing positive and decreasing negative parameters of SDGs to assess the extent to which frugal enterprises contribute to specific SDGs. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Role of TiO2 and carbon nanotubes on polyethylene, and effect of accelerated weathering on photo oxidation and mechanical properties حسب Zagho M.M.

احصل على النص الكامل
احصل على النص الكامل

Estimating the age-dependent changes in carbon stocks of Scots pine (Pinus sylvestris L.) stands in Turkey حسب Lee, Jongyeol

"…Although Scots pine (Pinus sylvestris L.) is a main species in Turkey, studies on such changes are still lacking. • Aims We aimed to estimate the changes in carbon stocks, with stand age, of Scots pine stands in Turkey using field work data and a forest carbon model (FBDC model). • Methods Biomass and dead organic matter carbon stocks were investigated to adjust the forest carbon model and to verify the model estimates. …"
احصل على النص الكامل
احصل على النص الكامل

Modal analysis of spur gears for varied teeth root cracks characteristics: finite element analysis (FEA) simulations حسب Syam, Thaer

"…This causes progressive damage to gear teeth which causes teeth failure, and hence, a damaged gear. This work shows a numerical framework to identify and quantify cracks' existence at the teeth root of spur gears. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Phytoplankton size changes and diversity loss in the southwestern Mediterranean Sea in relation to long-term hydrographic variability حسب Ramírez-Romero, Eduardo

"…This novel study shows an overall rise in the proportion of small phytoplankton cells and a decreasing trend in phytoplankton diversity in the southern Mediterranean area. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Geotechnical considerations on the design of piled rafts on rock حسب Eid, Hisham T.

"…A crude estimation is commonly made for these two parameters. …"
احصل على النص الكامل
احصل على النص الكامل

Hydrogel Sensors for the Agricultural Applications حسب Ali, Ruba

"…This work is focused on the design and fabrication of hydrogel sensors for the agricultural applications "a multi-sensory device". Agriculture is an important contributor to Qatar's economy, as the country is aiming to produce more local products. …"
احصل على النص الكامل
احصل على النص الكامل

Representation of Adsorption Data for the Isopropanol-Water System using Neural Network Techniques حسب Mjalli, F.

"…Molecular sieves and palm stone, a newly developed bio-based adsorbent, were used to break an azeotropic isopropanol-water system via an adsorptive distillation process. …"
احصل على النص الكامل
احصل على النص الكامل

The effect of genetic and nongenetic factors on warfarin dose variability in Qatari population. حسب Bader, Loulia

"…One hundred and fifty warfarin-treated Qatari patients on a stable dose and with a therapeutic INR for at least three consecutive clinic visits were recruited. …"
احصل على النص الكامل
احصل على النص الكامل

Effect of Hydrothermal Carbonization Parameters and Performance of Carbon Dioxide Adsorption on Pineapple Peel Waste Biochar حسب Ibrahim, Muthmirah

"…The prepared PPW-BC adsorbents could be a viable option for CO2 capture because they were synthesized from a low-cost biomass source and are environmentally benign.…"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Thermal and mechanical stability of microwave sintered cold compact bismuth telluride thermoelectric material حسب Farheen F., Jaldurgam

"…The TGA-DSC results indicate a slight mass gain at 350 °C followed by a steep weight loss beyond 550 °C suggesting good thermal stability when the experimental temperature is below 350 °C. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Nanotargeted Delivery of Immune Therapeutics in Type 1 Diabetes حسب Jung, Sungwook

"…This effect is associated with a significant reduction of T effector cell populations in the PLNs and a decreased production of pro-inflammatory cytokine in the mice treated with MECA79-anti-CD3-NPs. …"
احصل على النص الكامل
احصل على النص الكامل

Proatherogenic sialidases and desialylated lipoproteins: 35 years of research and current state from bench to bedside حسب Mezentsev, Alexandre

احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Impact of outdated CSI on the secrecy performance of dual-hop networks using cooperative jamming حسب Mallat, Walid

"…We study the secrecy performance of partial relay selection with outdated channel state information (CSI). We propose a system secrecy where two sources and destination simultaneously transmit the legitimate and the jamming signal respectively. …"
احصل على النص الكامل
احصل على النص الكامل

Driver Drowsiness Detection Study using Heart Rate Variability analysis in Virtual Reality Environment حسب Chowdhury, Muhammad E.H.

"…As it can be seen from Fig. 4, there is a significant difference in the LF/HF ratios, as it decreased drastically from 4.164 (Fig. 4A) when subject was awake to 1.355 (Fig. 4B) when subject was drowsy. …"
احصل على النص الكامل
احصل على النص الكامل

The Gender-Pay Gap and the Family in the Gulf: Root Causes, Implications and Policy Response حسب Al-Ahmadi, Hala

"…Families that have mother as a sole breadwinner are disadvantaged more by the gender-pay gap. …"
احصل على النص الكامل

Methylmercury, Trace Metals, Organotins and Their Effects on the Qatari Mangrove Shrimp, Palaemon khori حسب Hassan, Hassan

"…The Qatari mangroves of Al-Khor are being increasingly exposed to a wide variety of anthropogenic pollutants due to land reclamation and urban expansion. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل